NDLI: Experience of the On-Line Turbine Cycle Efficiency Monitoring System Operation

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Berkovich, Y. Eitan, U. Levin, L. Gordinsky, A. Berman, M.
Copyright Year	2007
Abstract	The most commonly used method for control over the turbine island efficiency variation is turbine balance test. However, this test requires many various resources and is therefore rarely performed. Besides, such tests are performed for a simplified variant of the cycle that’s why the test results are not suitable for the real operational conditions. For these reasons the balance test can not solve a variety of important problems: - to keep track of heat losses caused by the deviation of the operational parameters from their optimal values and, overall, by an unsuccessful operation of the equipment; - to evaluate the heat losses caused by the equipment degradation which is necessary in order to optimize the start and duration of repair works; - to compare an operation quality of different units with different operational conditions. All the above mentioned problems can only be solved by using the efficiency monitoring systems. But for these monitoring systems to have practical significance the following principal requirements must be fulfilled: - the integral diagnostic factor has to be found; this factor must have a high sensitivity to the turbine cycle efficiency variation as well as to the variation of turbine cycle equipment conditions; - the low uncertainty of the diagnostic factor calculation results has to be provided, the uncertainty value must be sufficiently close to the one of the traditional test results. In the presented paper our experience of operating the online turbine cycle Efficiency Monitoring System is described.
Sponsorship	Power Division
Starting Page	129
Ending Page	144
Page Count	16
File Format	PDF
ISBN	0791842738
DOI	10.1115/POWER2007-22090
e-ISBN	079183803X
Conference Proceedings	ASME 2007 Power Conference
Language	English
Publisher Date	2007-07-17
Publisher Place	San Antonio, Texas, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Uncertainty Maintenance Turbines Heat losses Monitoring systems
Content Type	Text
Resource Type	Article

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